US3149451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread piecing device
Assignee: Cotton Silk and Man Made Fibres Research Association
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Filing: 1962-07-30
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Granted: 1964-09-22
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Expires: 1982-07-30
Abstract
No abstract record available.
Inventors
- 👤 Benson William
- 👤 Catling Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:41
CPC Classifications
D; D01; D01H; D01H15/00; D01H15/013
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN A SPINNING FRAME HAVING A SPINDLE, FRONT ROLLERS, A TAKE-UP PACKAGE, AND DRIVE MEANS: A PIECING-UP DEVICE FOR ARRANGEMENT BETWEEN SAID FRONT ROLLERS AND TAKE-UP PACKAGE, COMPRISING A DETECTOR SENSITIVE TO BREAKAGE OF THE MATERIAL BETWEEN THE DEVICE AND THE FRONT ROLLERS, A NORMALLY INOPERATIVE YARN GRIPPING MECHANISM, MEANS FOR OPERATING SAID YARN GRIPPING MECHANISM, ACTUATED BY SAID DETECTOR ON BREAKAGE OF MATERIAL, TO HOLD THE TAKEUP PACKAGE PART OF THE BROKEN MATERIAL, AND FOR CAUSING THE DRIVE PROVIDED BY THE DRIVE MEANS TO BE APPLIED TO THE DEVICE, AND MEANS, ACTUATED BY SAID DRIVE MEANS, FOR CAUSING TWISTED MATERIAL EXTENDING FROM SAID YARN GRIPPING MECHANISM TO BE BROUGHT INTO CONTACT WITH MATERIAL EXTENDING FROM THE FRONT ROLLERS AND TO BE RELEASED FROM SAID YARN GRIPPING MECHANISM SO THAT THEY "TWISTIN" AUTOMATICALLY.
Claim 2
Dependent Claim
133 words
IN A SPINNING FRAME HAVING A SPINDLE, FRONT ROLLERS, A TAKE-UP PACKAGE, AND DRIVE MEANS: A PIECING-UP DEVICE FOR ARRANGEMENT BETWEEN SAID FRONT ROLLERS AND TAKE-UP PACKAGE, COMPRISING A DETECTOR SENSITIVE TO BREAKAGE OF THE MATERIAL BETWEEN THE DEVICE AND THE FRONT ROLLERS, A NORMALLY INOPERATIVE YARN GRIPPING MECHANISM, MEANS FOR OPERATING SAID YARN GRIPPING MECHANISM, ACTUATED BY SAID DETECTOR ON BREAKAGE OF MATERIAL, TO HOLD THE TAKEUP PACKAGE PART OF THE BROKEN MATERIAL, AND FOR CAUSING THE DRIVE PROVIDED BY THE DRIVE MEANS TO BE APPLIED TO THE DEVICE, AND MEANS, ACTUATED BY SAID DRIVE MEANS, FOR CAUSING TWISTED MATERIAL EXTENDING FROM SAID YARN GRIPPING MECHANISM TO BE BROUGHT INTO CONTACT WITH MATERIAL EXTENDING FROM THE FRONT ROLLERS AND TO BE RELEASED FROM SAID YARN GRIPPING MECHANISM SO THAT THEY "TWISTIN" AUTOMATICALLY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |